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Evolution — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution2 Marks
Question
Study the schematic representation of evolutionary history of plant forms given below and mention

  1. The plant forms ferns and conifers are most related to.
  2. The nearest ancestors of flowering plants.
  3. The most primitive group of plants.
  4. Common ancestry of Psilophyton provides to.
  5. The common ancestor of Psilophyton and seed ferns.
  6. The common ancestors of mosses and tracheophytes.
✓

Answer

  1. Psilophyton.
  2. Seeds and ferns.
  3. Chlorophyte ancestor.
  4. Ferns, conifers and seed ferns.
  5. Tracheophyte ancestor.
  6. Chlorophyte ancestor.

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